Rainier Arms Thunder Bolt™ AR15 AR-15
The Thunder Bolt™ was created to meet and exceed all Mil Spec standards. Giving you the confidence to run your weapon long and hard at 110%. You will never have to worry about your bolt being the weakest link in your weapon. The bolts are HPT & MPI tested & Marked to give you ultimate confidence in your weapon system. Most bolts in the market place today is made from 8620 and not Carpenter A-158. Rainier goes the extra mile making sure everything is to the highest quality. If your life is on the line, you can trust Rainier Arms.
Extractor Retaining Pin:
Ejector Retaining Pin:
Limited Lifetime Warranty We are so confident in our Rainier Arms Thunder Bolt we offer them with a limited lifetime warranty. So if at anytime your Rainier Arms Thunder Bolt breaks on you during normal use (Intentional abuse & Gas Key wear not included) we will replace it.